#AC3A40#AC3A40

#AC3A40 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.4% C 0.149 H 21.1°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AC3A40
RGB	rgb(172, 58, 64)
HSL	hsl(357, 50%, 45%)
HSV	hsv(357, 66%, 67%)
CMYK	cmyk(0%, 66.3%, 62.8%, 32.5%)
CIE-LAB	lab(41.48, 46.88, 22.27)
CIE-LCH	lch(41.48, 51.91, 25.41°)
OKLab	oklab(51.37% 0.1389 0.0536)
OKLCH	oklch(51.37% 0.149 21.1)
XYZ	xyz(19.4536, 12.1696, 6.1741)
Luminance	0.1217 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AC3A40 #3AACA6

analogous

#AC3A79 #AC3A40 #AC6D3A

triadic

#AC3A40 #40AC3A #3A40AC

tetradic

#AC3A40 #79AC3A #3AACA6 #6D3AAC

square

#AC3A40 #79AC3A #3AACA6 #6D3AAC

split-complementary

#AC3A40 #3AAC6D #3A79AC

monochromatic

#501B1E #7E2B2F #AC3A40 #C85B61 #D7898D

Accessibility & contrast

On white

6.12

#AC3A40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AC3A40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AC3A40

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AC3A40	#FFFFFF	#000000	##FFFFFF
##AC3A40	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58533F

Deuteranopia (green-blind)

#746B3D

Tritanopia (blue-blind)

#BC203D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #ac3a40;
/* rgb */ color: rgb(172, 58, 64);
/* oklch */ color: oklch(51.4% 0.149 21.1);

Tailwind

colors: {
  custom: {
    50: '#cb7774',
    500: '#ac3a40',
    950: '#000000',
  },
}

SCSS

$custom: #ac3a40;
$custom-light: #cb7774;
$custom-dark: #000000;

JSON

{
  "hex": "#ac3a40",
  "rgb": {
    "r": 172,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 356.842,
    "s": 49.565,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51368,
    "c": 0.14884,
    "h": 21.1
  },
  "luminance": 0.12167
}

Semantic roles & 50–950 ramp

primary

#AC3A40

secondary

#80C2BE

accent

#D9D24F

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150908

muted

#837B7B

Preview Lab

Preview with #AC3A40

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →